What then? If some did not believe, does their unbelief nullify the faithfulness of God?

“Their throats are open graves, they deceive with their tongues, the poison of asps is under their lips.”

So even David himself speaks regarding the blessedness of the man to whom God credits righteousness apart from works:

Now the law came in so that the transgression may increase, but where sin increased, grace multiplied all the more,

For if we have become united with him in the likeness of his death, we will certainly also be united in the likeness of his resurrection.

so that the righteous requirement of the law may be fulfilled in us, who do not walk according to the flesh but according to the Spirit.

For I consider that our present sufferings cannot even be compared to the glory that will be revealed to us.

For the creation was subjected to futility – not willingly but because of God who subjected it – in hope

It is not as though the word of God had failed. For not all those who are descended from Israel are truly Israel,

For this is what the promise declared: “About a year from now I will return and Sarah will have a son.”

For Moses writes about the righteousness that is by the law: “The one who does these things will live by them.”

let their eyes be darkened so that they may not see, and make their backs bend continually.”

Now if their transgression means riches for the world and their defeat means riches for the Gentiles, how much more will their full restoration bring?

do not boast over the branches. But if you boast, remember that you do not support the root, but the root supports you.

For from him and through him and to him are all things. To him be glory forever! Amen.

Owe no one anything, except to love one another, for the one who loves his neighbor has fulfilled the law.

But we who are strong ought to bear with the failings of the weak, and not just please ourselves.

For I tell you that Christ has become a servant of the circumcised on behalf of God’s truth to confirm the promises made to the fathers,

And again, “Praise the Lord all you Gentiles, and let all the peoples praise him.”

For Macedonia and Achaia are pleased to make some contribution for the poor among the saints in Jerusalem.